do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. here's another reason to freak out over the flu. hand sanitizer production has slowed over the last year or so, thanks to slowing sales over the last couple of years so if you want to go and get some you may not be able to. the bottom line there. >> my advise is hoard as much as you can and sell it for ten times the retail price on the black market. >> great advice. >> thanks for watching "street signs," everybody.